Zend Server 5.6 introduces a new highly-reliable Job Queue architecture, based on a MySQL database storage backend.This document describes how to upgrade from existing clusters running previous versions of Zend Server to the latest version, including a procedure for the migration of Zend Job Queue to the new architecture.

To safely remove Zend Core from your system after Zend Server for IBM i has been installed, please verify that you are at version 2.6.1 of Zend Core for IBM i5/OS. If you are at an earlier version, please upgrade to 2.6.1 before uninstalling Zend Core for IBM i5/OS. Uninstalling an earlier release of Zend Core for IBM i5/OS will cause ZENDADMIN and other user profiles to be deleted, along with any objects owned by these user profiles. This includes the objects in the Zend Server for IBM i library ZENDSVR.

When remotely debugging a PHP application running on a Windows server (Zend Server), an error message appears. This article provides a workaround for the cases when the problem is caused by a FastCGI timeout.